Senior Java / AWS Developer - compensation up to GBP 150k-230k

This is an opportunity to work at the heart of a world‑class investment platform where risk, technology, and quantitative thinking intersect in real time. You’ll be building and owning systems that directly support portfolio managers and senior risk leaders, in an environment that values engineering excellence, speed, and thoughtful design. If you enjoy solving complex problems, working close to the business, and seeing your work used every day in high‑stakes decision‑making, this role offers both intellectual challenge and real impact.

What You’ll Be Doing

• Design and build low‑latency, high‑performance systems used in live trading environments
• Architect scalable solutions that support complex risk calculations across asset classes
• Work closely with risk managers, quants, and technologists to translate real‑world problems into elegant technical solutions
• Own production systems end‑to‑end, including contributing to robust end‑of‑day processes
• Drive engineering best practices to improve reliability, performance, and scalability

What We’re Looking For

• 8–10+ years’ experience as a software engineer in a fast‑paced, production environment
• Strong Computer Science fundamentals (data structures, algorithms, system design)
• Commercial experience with Java, modern microservices, and the Spring ecosystem
• Solid SQL skills and experience working with large datasets
• A strong analytical mindset and a genuine interest in solving hard problems
• Comfortable working with ownership, autonomy, and responsibility
• Master’s degree or strong academic background
• Experience with multi‑threaded and distributed systems
• Cloud and modern infrastructure exposure (AWS, Kubernetes, Redis)
• Messaging systems, service‑oriented architecture, or event‑driven design
• CI/CD pipelines, testing frameworks, and production monitoring tools
• Strong Linux experience and exposure to NoSQL technologies

What’s on Offer

• Work on mission‑critical systems
• High levels of ownership and visibility
• A technically strong, intellectually curious team
• Competitive compensation and strong long‑term growth potential